Makes spring watch files using the listen gem.

Very simple Roles library without any authorization enforcement supporting scope on resource objects (instance or class). Supports ActiveRecord and Mongoid ORMs.

A Ruby server SDK for MCP UI.

Add easily configured security headers to responses including content-security-policy, x-frame-options, strict-transport-security, etc.

JSON Schema validator. Supports drafts 4, 6, 7, 2019-09, 2020-12, OpenAPI 3.0, and OpenAPI 3.1.

Blazing fast application deployment tool.

A lightweight Sass grid framework

RSpec::Parameterized supports simple parameterized test syntax in rspec.

Airbrake is an online tool that provides robust exception tracking in any of your Ruby applications. In doing so, it allows you to easily review errors, tie an error to an individual piece of code, and trace the cause back to recent changes. The Airbrake dashboard provides easy categorization, searching, and prioritization of exceptions so that when errors occur, your team can quickly determine the root cause. Additionally, this gem includes integrations with such popular libraries and frameworks as Rails, Sinatra, Resque, Sidekiq, Delayed Job, Shoryuken, ActiveJob and many more.

rqrcode_core is a Ruby library for encoding QR Codes. The simple interface (with no runtime dependencies) allows you to create QR Code data structures.

Ruby/Graphviz provides an interface to layout and generate images of directed graphs in a variety of formats (PostScript, PNG, etc.) using GraphViz.

HTTP Accept, Accept-Charset, Accept-Encoding, and Accept-Language for Ruby/Rack

Light weight job scheduling on top of Resque. Adds methods enqueue_at/enqueue_in to schedule jobs in the future. Also supports queueing jobs on a fixed, cron-like schedule.

Dpl (dee-pee-ell) is a tool made for continuous deployment, running deployments at Travis CI.

attr_required and attr_optional

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. http://getbootstrap.com

Javascript SVG parser and renderer on Canvas

CBOR is a library for the CBOR binary object representation format, based on Sadayuki Furuhashi's MessagePack library.

GitLab style guides and shared style configs.

A library to read/write files/spreadsheets in Google Drive/Docs.